Function stackutil_get_stack_str

util/stackutil.c:104–133

}

char *stackutil_get_stack_str(int id, char **type, int *nframes, int64_t *hits)
{
    char *str = NULL;
#ifdef __GLIBC__
    void *frames[MAX_STACK_FRAMES];
    *type = NULL;
    if (stackutil_get_stack(id, type, nframes, frames, hits) == 0) {
        char **strings = NULL;
        strings = backtrace_symbols(frames, *nframes);
        strbuf *b = strbuf_new();
        for (int j = 0, pr = 0; j < *nframes; j++) {
            char *p = strchr(strings[j], '('), *q = strchr(strings[j], '+');
            if (p && q) {
                (*p) = (*q) = '\0';
                p++;
                q--;
                if ((q - p) > 0) {
                    if (pr)
                        strbuf_append(b, " ");
                    strbuf_appendf(b, "%s", p);
                    pr = 1;
                }
            }
        }
        str = strbuf_disown(b);
        free(strings);
    }
#endif
    return str;
}

int stackutil_get_num_stacks(void)
{